<template>
    <div class="SonA">我是SonA组件
        <GrandSon></GrandSon>
    </div>
</template>

<script>
import GrandSon from '../components/GrandSon.vue'
export default {
    components: {
        GrandSon
    }
}
</script>

<style>
.SonA {
    border: 3px solid #000;
    border-radius: 6px;
    margin: 10px;
    height: 200px;
}
</style>